<template>
    <div class="login_container">
        <div class="login_box">
            <!-- 头像区域 -->
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="">
            </div>
            <!-- 登录表单区域 -->
            <el-form ref="loginFormRef" label-width="0" class="login_form" :model="loginForm" :rules="loginFormRules">
                <!-- 用户名 -->
                <el-form-item prop="username">
                    <el-input prefix-icon="iconfont icon-user" v-model="loginForm.username"></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item prop="password">
                    <el-input prefix-icon="iconfont icon-3702mima" v-model="loginForm.password"></el-input>
                </el-form-item>
                <!-- 按钮区域 -->
                <el-form-item class="btns">
                    <el-button type="primary" @click="login">登录</el-button>
                    <el-button type="info" @click="resetLoginForm">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
    export default {
        data() {
            return {
                loginForm: {
                    username: 'admin',
                    password: '123456'
                },
                // 这是表单的验证规则对象
                loginFormRules: {
                    // 验证用户名是否合法
                    username: [
                        { required: true, message: '请输入登录名称', trigger: 'blur' },
                        { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
                    ],
                    // 验证密码是否合法
                    password: [
                        { required: true, message: '请输入登录密码', trigger: 'blur' },
                        { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
                    ]
                }
            }
        },
        methods: {
            resetLoginForm() {
                this.$refs.loginFormRef.resetFields();
            },
            login() {
                this.$refs.loginFormRef.validate(async valid => {
                    if (!valid) return
                    const { data: res } = await this.$http.post('login', this.loginForm)
                    if (res.meta.status !== 200) return this.$message.error('登录失败！')
                    this.$message.success('登录成功！')

                    window.sessionStorage.setItem('token', res.data.token)


                    // var exp = new Date();
                    // exp.setTime(exp.getTime() + 10 * 1000);
                    // document.cookie = 'token=' + res.data.token+";expires=" + exp.toGMTString();
                    // console.log('登陆不');
                    
                    this.$router.push('/home')
                });
            }
        },
    }
</script>

<style lang="less" scoped>
    .login_container {
        height: 100%;
        background-color: #2b4a8b;
    }

    .login_box {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        width: 450px;
        height: 300px;
        background-color: #fff;

        .avatar_box {
            height: 130px;
            width: 130px;
            border: 1px solid #eee;
            border-radius: 50%;
            padding: 10px;
            box-shadow: 0 0 10px #ddd;
            position: absolute;
            left: 50%;
            transform: translate(-50%, -50%);
            background-color: #fff;

            img {
                width: 100%;
                height: 100%;
                border-radius: 50%;
                background-color: #eee;
            }
        }

        .login_form {
            position: absolute;
            bottom: 0;
            width: 100%;
            padding: 0 20px;
            box-sizing: border-box;
        }

        .btns {
            display: flex;
            justify-content: flex-end;
        }
    }
</style>